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The Nature and Behavior of Grain Boundaries pp 71–82Cite as

Some Properties of the Disclination Structure of Grain Boundaries

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Abstract

The interaction between a simple tilt boundary made of wedge disclination dipoles and a single edge dislocation is studied. It is found that in general edge dislocations can be generated or absorbed at the wedge disclination dipoles. The dilatation field of such a boundary is calculated and from which the interaction with impurity atoms which cause dilatational distortions of the lattice is studied. The resulting periodic distribution of impurity atoms along the boundary is suggested to play a role in intergranular embrittlement and grain boundary sliding.

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References

  1. J. C. M. Li, “Disclination Model of High Angle Grain Boundaries,” Proc. Int. Conf. on the Structure and Properties of Grain Boundaries and Interfaces, IBM Watson Research Center, Aug. 23–25, 1971.

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Author information

Authors and Affiliations

  1. Department of Mechanical & Aerospace Sciences, University of Rochester, Rochester, N.Y., 14627, USA

    J. C. M. Li

Authors
  1. J. C. M. Li
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Editor information

Editors and Affiliations

  1. Research Laboratory, United States Steel Corporation, Monroeville, Pennsylvania, USA

    Hsun Hu

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© 1972 American Institute of Mining, Metallurgical and Petroleum Engineers, Inc.

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Li, J.C.M. (1972). Some Properties of the Disclination Structure of Grain Boundaries. In: Hu, H. (eds) The Nature and Behavior of Grain Boundaries. Springer, New York, NY. https://doi.org/10.1007/978-1-4757-0181-4_3

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  • DOI: https://doi.org/10.1007/978-1-4757-0181-4_3

  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4757-0183-8

  • Online ISBN: 978-1-4757-0181-4

  • eBook Packages: Springer Book Archive

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